Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Jack A Klapper, MD

Individual provider Specialist · NPI 1871936278

Dr. Jack A Klapper, MD is a Specialist in Denver, Colorado. Practices as a sole proprietor. Licensed in Colorado.

Licensed in
CO
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1155 E 18th Ave
Denver, CO 80218-1110
Phone: (303) 839-9900
Fax: (303) 839-5430
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Research Study Specialist (primary) Taxonomy 1744R1102X · Licence 14853 (CO)
Specialist Taxonomy 174400000X · Licence 14853 (CO)

Record details

NPI number1871936278
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 16, 2013
Last updated in NPPESApril 16, 2013
Mailing address1155 E 18th Ave, Denver, CO 80218-1110

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